Literal question
17a. Has this person ever been on active-duty military service in the Armed Forces of the United States or ever been in the United States military Reserves or the National Guard?
If service was in Reserves or National Guard only, see instruction guide.
[] Yes, now on active duty
[] Yes, on active duty in past, but not now
[] Yes, service in Reserves or National Guard only -- Go to 18
[] No -- Go to 18
[For a person with service in the National Guard or a military reserve unit, fill one of the two yes, active duty circles if and only if the person has ever been called up for active duty other than training; otherwise, mark yes, service in Reserves or National Guard only. For a person whose only service was as a civilian employee or volunteer for the Red Cross, USO, Public Health Service, or War or Defense Department, mark no. Count World War II Merchant Marine Seaman service as active duty; do not count other Merchant Marine service as active duty.]